I think that this video
https://www.youtube.com/watch?v=qGiD-OgYxKY&t=240s
exactly shows the circuit displayed in last image ( http://typeright.social/forum/attachment.php?aid=439 )
And also this part of circuit (in orange circle) from Bluesrge with "minus" not connected back to NST but to the ground
https://ibb.co/BscsZYp
(red edited by me)
https://www.youtube.com/watch?v=qGiD-OgYxKY&t=240s
exactly shows the circuit displayed in last image ( http://typeright.social/forum/attachment.php?aid=439 )
And also this part of circuit (in orange circle) from Bluesrge with "minus" not connected back to NST but to the ground
https://ibb.co/BscsZYp
(red edited by me)